Zero center of mass archery cam
US6976484B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2004 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Oct 22, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S124/90
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
One preferred embodiment of the present invention provides a cam having an axle location for mounting the cam to an archery bow, where the center of mass of the cam is substantially coaxial with the axle location. Preferable the cam has an eccentric geometric rotation profile with regard to a rotation axis, typically an irregular geometry with a non-centered axle location, or a circular profile with an axle location offset from the center of the circular profile. The mass of the cam is balanced to have an effectively equal mass distribution around the axle location. In an alternate preferred embodiment, the cam has a balanced center of mass aligned with the axle location in an X-Y orientation, and may also have a balanced center of mass through the thickness of the cam in an X-Z or Y-Z orientation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.